This is funny because water is a polar molecule. It shows the Oxygen and 2 Hydrogen atoms fishing in a frozen lake because it's "polar".

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Ms. Loree

9/10/2017 02:44:33 pm

Please be sure to refer to the outline for blogging to obtain credit for each week's blog. It can be found on the yellow important information sheet received on the first day of class (http://www.loreescience.ca/uploads/2/4/1/7/24170983/sbi4u_first_days_forms_2017-2018_s1.pdf)

We learned about the cohesive properties of water and how they create surface tension. But this article brings to light new research that theorizes that surface tension of water is not a fixed value. This may be something that changes the way we think about the cohesive properties of water.

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Ms. Loree

9/10/2017 02:56:47 pm

Remember that you need to include the link to the article you are referring to in the comment section.

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Seel Patel

9/15/2017 02:43:24 pm

https://www.sciencedaily.com/releases/2017/04/170403140252.htm

Sorry I forgot

Lamis E.

9/9/2017 07:37:17 am

https://www.youtube.com/watch?v=9FBpdaokLto

This video allows you to visualize the various hydrophobic and hydrophilic compounds that we discussed in class. It shows that the substances that are polar dissolve in water like salt. It also shows that other substances do not. You're able to see that like dissolves like. You can tell which substances are polar and non-polar.

Oil from our faces, hands, and body aren't easily washed away by water due to the whole "non-polar oil won't dissolve in polar water". Soap has an interesting property where it is hydrophilic and hydrophobic at once, meaning it can bind to water and oils, thus making it easier to wash off. Soap behaves as both a polar and non-polar substance.

A real life example would be when sugar dissolves into hot coffee. When mixing the sugar into the coffee the sugar dissolves immediately but when there is too much sugar after a point the coffee will have a gritty texture to it. Not only does sugar dissolve into coffee but for medications a good example would be cough syrup, a combination of codeine and methanol is mixed together to create a sugar base and the bloodstream absorbs that liquid quickly and the additives are solvable in the sugar liquid just like in the mixture of sugar and coffee or any hot substance,

We see regular, cohesive liquids like water almost every day and are aware of their properties. On the other hand, science has superfluids like the Helium-4 isotope. When cooled to -270.9°C, liquid helium climbs walls and leaks through solids objects with lots of adhesion and almost zero friction.

This video takes a look at proteins and shows just how important and versatile they are. It looks at different amino acids and which ones are hydrophobic or hydrophilic. This video is great because it allows us to look at these structures in 3D rather than just 2D drawings. It gives a great visual of the bending or coiling of the protein.

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